cng smell

[spork40]

i can periodically smell cng through my vents in the truck or under the hood. where could this be coming from?

[Lancer Automotive Group]

Re: cng smell

What model of truck is it and what is the year?

[spork40]

Re: cng smell

it is a 2002 f150

[wmarsden]

Re: cng smell

I have a '99 ford f-150 bifuel. The cng smell can be tracked down using soapy water, or by using a gas detector.

But I can tell you that many fords like this develop leaks from the compuvalve, and from the high pressure regulator (near the compuvalve).

Good luck.